| 单词 | hot button | 
| 释义 | Word Frequency hot buttonnoun  informal a.  a controversial subject or issue that is likely to arouse strong emotions  b.  (as modifier)  the hot-button issue of global warming Word Frequency hot-button(ˈhɒtˌbʌtən) adjective  US (of a topic or issue) controversial  Abortion is still one of the hot-button issues of U.S. life. | 
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